Examples of org.objectweb.asm.CodeVisitor.visitMaxs()

org.objectweb.asm.CodeVisitor.visitMaxs()
Visits the maximum stack size and the maximum number of local variables of the method. @param maxStack maximum stack size of the method. @param maxLocals maximum number of local variables for the method.

                personality.getUserRuntimeExceptionClassNameSlash(), 
                    "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V");
            cv.visitInsn(ATHROW);
            cv.visitTryCatchBlock(l0, l1, l2, "java/lang/Exception");
        }
        cv.visitMaxs(0, 0);
    }
    private void generateGetVersioningStrategy(HomeContext gc) {
        CodeVisitor cv = gc.cv.visitMethod(ACC_PUBLIC + ACC_FINAL, 
                "getVersioningStrategy", "()B", null, null);
        cv.visitFieldInsn(GETSTATIC, gc.classToWriteJCN, "VERSIONING_STRATEGY", "B");

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    private void generateGetVersioningStrategy(HomeContext gc) {
        CodeVisitor cv = gc.cv.visitMethod(ACC_PUBLIC + ACC_FINAL, 
                "getVersioningStrategy", "()B", null, null);
        cv.visitFieldInsn(GETSTATIC, gc.classToWriteJCN, "VERSIONING_STRATEGY", "B");
        cv.visitInsn(IRETURN);
        cv.visitMaxs(1, 1);
    }
    private void generateIsDetachable(HomeContext gc) {
        CodeVisitor cv = gc.cv.visitMethod(ACC_PUBLIC + ACC_FINAL, 
                "isDetachable", "()Z", null, null);
        cv.visitFieldInsn(GETSTATIC, gc.classToWriteJCN, "DETACHABLE", "Z");

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    private void generateIsDetachable(HomeContext gc) {
        CodeVisitor cv = gc.cv.visitMethod(ACC_PUBLIC + ACC_FINAL, 
                "isDetachable", "()Z", null, null);
        cv.visitFieldInsn(GETSTATIC, gc.classToWriteJCN, "DETACHABLE", "Z");
        cv.visitInsn(IRETURN);
        cv.visitMaxs(1, 1);
    }
    private void generateIsAbstract(HomeContext gc) {
        if (gc.sc.isAbstract) {
            CodeVisitor cv = gc.cv.visitMethod(ACC_PUBLIC + ACC_FINAL, 
                    "isAbstract", "()Z", null, null);

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        mv.visitJumpInsn(GOTO, l2);
        mv.visitLabel(l1);
        mv.visitInsn(ACONST_NULL);
        mv.visitLabel(l2);
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
    }
    private String getJavaWrapper(PType pt) {
        switch (pt.getTypeCode()) {
        case PType.TYPECODE_BOOLEAN:
            return getJVMClassName(Boolean.class);

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        if (gc.sc.isAbstract) {
            CodeVisitor cv = gc.cv.visitMethod(ACC_PUBLIC + ACC_FINAL, 
                    "isAbstract", "()Z", null, null);
            cv.visitInsn(ICONST_1);
            cv.visitInsn(IRETURN);
            cv.visitMaxs(1, 1);
        }
    }
    private void generateGetClassProperties(HomeContext gc) throws SpeedoException {
        CodeVisitor cv = gc.cv.visitMethod(ACC_PUBLIC + ACC_FINAL, "getClassProperties", 
                "()Ljava/util/Properties;", null, null);

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        mv.visitTypeInsn(NEW, xfieldsJCN);
        mv.visitInsn(DUP);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, xfieldsJCN, "<init>", "(" + JT_PO + ")V");
        mv.visitInsn(ARETURN);
        mv.visitMaxs(0, 0);
    }


    private void generateSpeedoSetReferenceStateMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, M_SPEEDO_SET_REF_STATE, "("+ JT_STATE + ")V", null, null);

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        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitTypeInsn(CHECKCAST, xfieldsAncestorJCN);
        mv.visitFieldInsn(PUTFIELD, ancestorJCN, REFSTATE_FIELD_NAME, xfieldsAncestorJT);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateSpeedoCopyStateMethod() {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PUBLIC, M_SPEEDO_COPY_STATE, 
                "(" + JT_STATE + JT_STATE + ")V", null, null);

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            cv.visitInsn(POP); //remove the result of the setProperty method
        }
        
        cv.visitVarInsn(ALOAD, 1);
        cv.visitInsn(ARETURN);
        cv.visitMaxs(3, 2);
    }
    private void generateWriteIntention(HomeContext gc) {
        if (gc.userCacheNames.length == 0) {
            return;
        }

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        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 2);
        mv.visitMethodInsn(INVOKEVIRTUAL, xfieldsJCN, M_SPEEDO_COPY_STATE, 
                "(" + JT_STATE + JT_STATE + ")V");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateReadObjectMethod(int nbField) {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PRIVATE, "readObject", 
                "(Ljava/io/ObjectInputStream;)V",

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        mv.visitVarInsn(ALOAD, 0); //this
        mv.visitMethodInsn(INVOKESTATIC, getJVMClassName(SpeedoPOSerializer.class), 
                "readObject", 
                "(Ljava/io/ObjectInputStream;" + JT_PO + ")V");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
    }
    private void generateWriteObjectMethod(int nbField) {
        CodeVisitor mv;
        mv = cv.visitMethod(ACC_PRIVATE, "writeObject", 
                "(Ljava/io/ObjectOutputStream;)V",

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